package cn.itcast.anno;

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;

@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.FIELD)
public @interface PrimaryKey {

	String primaryKey();
}
